Başlık için FEF, Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 327, listelenen: 223-242
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LMS and RLS equalizer performances of ultra wideband system in body area network channel
(Ieee, 2016)This paper provides baseband simulation performed ultrawideband (UWB) system with direct sequence spread spectrum (DSSS) presented in the IEEE 802.15.6 wireless body area network (WBAN) standard. Body area network channel ... -
The local structure and magnetic correlations in La(Fei(1-x)Mn(x))AsO system
(Pergamon-Elsevier Science Ltd, 2019)The local structure of La(Fei(1-x)Mn(x))AsO, showing suppression of long-range magnetic order by Mn-substitution, has been studied. Extended X-ray absorption fine structure (EXAFS) measurements at As K-edge and Fe K-edge ... -
Local structure displacements in La1-xCex OBiSSe as a function of Ce substitution
(Pergamon-Elsevier Science Ltd, 2020)We have investigated the local structure of layered La1-xCexOBiSSe system by Bi L-3 -edge extended X-ray absorption fine structure (EXAFS) measurements for different Ce substitutions. Ce L-3-edge X-ray absorption spectroscopy ... -
Magnetic levitation force and trapped field properties of multiseeded YBCO with triangular arrangement of seeds
(Wiley, 2021)Although there are studies in literature using different number of seeds with different arrangements, especially line and rectangular, it is seen that there is no detailed study handling the levitation force together with ... -
Magnetic properties of spin- Blume-Capel chain under a magnetic field
(Elsevier Ltd, 2021)A magnetic property of the one dimensional spin-7/2 Blume-Capel model under the magnetic field has been investigated by means of transfer matrix method. Thermodynamic response functions are also obtained for varying values ... -
Magnetic properties of the spin-5/2 Blume-Capel chain in a magnetic field
(Elsevier, 2019)The magnetization plateaus and thermodynamic properties of the antiferromagnetic spin-5/2 chain system were studied by using Blume-Capel model. the system with crystal field interaction in the presence of an external ... -
Magnetic properties of the welded joined TSMG Y123+x wt% Y211 (x=20 and 30) bulk superconductors
(Elsevier, 2019)Although the welding techniques have been used to join for bulk YBCO superconductors with a sintered superconductor, similar technique as a Ag2O added bulk YBCO superconductor fabricated by melt-powder-melt-growth process ... -
Magnetization of Gd diffused YBa2Cu3O7-x superconductor: experiment and theory
(Iop Publishing Ltd, 2013)The magnetization of Gd diffused YBa2Cu3O7-x is measured by a vibrating sample magnetometer (VSM) at selected temperatures (5, 25, 50, 77 K). the experimental results for the magnetization are analyzed in the critical state ... -
Manipulating the electrical properties of conductive substoichiometric titanium oxides
(American Physical Society, 2024)Conducting metal oxides offer many advantages for novel electronics applications, including sensors, fuel cells, piezoelectric devices, and microelectronic circuits, due to their conductivity, hardness, and chemically inert ... -
Measurement of Lα, Lβ and Total L X-ray fluorescence cross-sections for some elements with 40≤Z≤53
(Elsevier, 2010)Lα, Lβ and total L X-ray fluorescence (XRF) cross-sections have been measured for the nine elements (Zr, Nb, Mo, Ag, Cd, In, Sn, Sb and I) using photon energy 5.96 keV. In these the elements, Lα and Lβ spectra were derived ... -
Measurement of the mass attenuation coefficients and electron densities for BiPbSrCaCuO superconductor at different energies
(Elsevier, 2007)The mass attenuation coefficients for Bi, Pb, Sr, Ca, Cu metals, Bi2O3, PbO, SrCO3, CaO, CuO compounds and solid-state forms of Bi1.7Pb0.3Sr2Ca2Cu3O10 superconductor were determined at 57.5, 65.2, 77.1, 87.3, 94.6, 122 and ... -
Measurements of some radionuclides in coffee samples using gamma-ray spectrometry and evaluating radiological health risk to the Turkish public
(Taylor & Francis Ltd., 2023)The current research aims to assess the radioactivity levels and radiological health risks of 28 coffee samples from 21 assorted brands obtained from different provinces of Turkey. The activity concentrations of natural ... -
Mechanical and radiation attenuation properties of conventional and heavy concrete with diverse aggregate and water/cement ratios
(Croatian Association of Civil Engineers, 2022)This paper presents the results of comprehensive laboratory work conducted for investigating the mechanical and radiation attenuation characteristics of heavyweight concrete produced with pyrite, chromium, and magnetite ... -
Microscopic study of Ca + Ca fusion
(American Physical Society, 2012)We investigate the fusion barriers for reactions involving Ca isotopes 40Ca+40Ca, 40Ca+48Ca, and 48Ca+48Ca using the microscopic time-dependent Hartree-Fock (TDHF) theory coupled with a density constraint. In this formalism ... -
Mixed Spin (1,5/2) ising ferromagnetic blume-capel model under time-dependent sinusoidal magnetic field: an effective-field theory analysis
(Springer, 2018)Non-equilibrium magnetic properties are studied in a two-dimensional mixed spin (1, 5/2) Blume-Capel Ising system under the influence sinusoidal magnetic fields using the effective-field theory based on a decoupling ... -
Mn substitution effect on the local structure of La(Fe1-xMnx)AsO studied by temperature dependent x-ray absorption measurements
(IOP Publishing, 2021)The local structure of La(Fe1-xMnx)AsO has been investigated using temperature dependent Fe K-edge extended x-ray absorption fine structure (EXAFS) measurements. The EXAFS data reveal distinct behavior of Fe-As and Fe-Fe ... -
Modeling of normal-state like contribution on the pinning induced magnetostriction
(Elsevier, 2008)To describe the change of the sign of the magnetostriction at the field close to the upper critical field, Bc2, which were observed in some magnetostriction measurements carried out on the type-II superconductors, theoretical ... -
Molecular integrals over slater-type orbitals. From pioneers to recent developments
(Nova Science Publishers, Inc., 2011)It can readily be demonstrated that atomic and molecular orbitalsmust decay exponentially at long-range. They should also possess cusps when two particles approach each other. Therefore, Slater orbitals are the natural ... -
The nanoscale structure and unoccupied valence electronic states in FeSe1-xTex chalcogenides probed by X-ray absorption measurements
(Royal Soc Chemistry, 2015)We have studied the nanoscale structure and unoccupied electronic states in FeSe1-xTex by a combined analysis of Se K, Te L-1 and Fe K-edges X-ray absorption measurements. Extended X-ray absorption fine structure (EXAFS) ... -
Natural radioactivity in ceramic tiles and associated radiological hazards
(Ijrr-Iranian Journal Radiation Res, 2019)Background: the natural radioactivity levels in ceramic tiles produced in Turkey were determined and the related radiological hazards were assessed. Materials and Methods: the natural radioactivity levels (Ra-226, Th-232 ...
